Finding the Fourth Proportional to 1,265,639,633,039.20, 1,746,732,426,135.60 and 751,807,457,599.10
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Solution
The fourth proportional to 1,265,639,633,039.20, 1,746,732,426,135.60 and 751,807,457,599.10 is: 1,037,583,234,688.61
Step by Step Solution
- Step 1: Write the proportion equation
1,265,639,633,039.20 : 1,746,732,426,135.60 = 751,807,457,599.10 : x - Step 2: Convert to fraction form
1,265,639,633,039.20/1,746,732,426,135.60 = 751,807,457,599.10/x - Step 3: Cross multiply
1,265,639,633,039.20x = 1,746,732,426,135.60 × 751,807,457,599.10 - Step 4: Simplify right side
1,265,639,633,039.20x = 1,313,206,464,398,913,125,220,352 - Step 5: Solve for x
x = 1,313,206,464,398,913,125,220,352/1,265,639,633,039.20 - Step 6: Final answer
x = 1,037,583,234,688.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.